Polyurethane self-priming topcoats

Details Polyurethane self-priming topcoats Polyurethane self-priming topcoats

Filed on

1994-03-07

Date issued

1995-04-04

Examiner

Kight, III, John

Patent Class

Synthetic resins or natural rubbers -- part of the class 520 ser

SubClass

Synthetic resins

SubSubClass

Processes of preparing a desired or intentional composition...

Other Related Categories

524210, 524222, 524396, 524414, 524507, 524706, 524724, 524783, 4273855, 4273881, 4273885, 4274071, C08L 7504

Type

Patent

Status

active

Patent number

054038804

Description

ABSTRACT:
A corrosion-resistant polyurethane coating for application directly to a face as a self-priming topcoat comprising major amount of a polyurethane binder and minor amount of a combination of pigments consisting essentially of an aluminum phosphate, zinc salts of benzoic acids, and an alkaline earth metal phosphate such as zinc-barium phosphate. In addition, the coating contains up to about 30 parts by weight of a titanium dioxide pigment, up to about 2.0 parts by weight of an oil soluble surface active agent and up to about 50 parts by weight of at least one organic solvent.

REFERENCES:
patent: 5236983 (1993-08-01), Hegedus et al.
patent: 5274021 (1993-12-01), Geeck et al.

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